Samuel Labi
Professor, Purdue University
Sikai Chen
Research areas: Transportation infrastructure systems evaluation, highway safety analysis, highway design policy analysis, applications of machine learning and data mining in transportation and infrastructure systems, econometrics and statistics, and costs engineering for infrastructure systems.
Journal publications
Chen, S., Saeed, T. U., & Labi, S. (2017). Impact of road-surface condition on rural highway safety: A multivariate random parameters negative binomial approach. Analytic Methods in Accident Research, 16, 75-89.
https://doi.org/10.1016/j.amar.2017.09.001
Chen, S., Saeed, T. U., Alqadhi, S. D., & Labi, S. (2017). Safety impacts of pavement surface roughness at two-lane and multi-lane highways: accounting for heterogeneity and seemingly unrelated correlation across crash severities. Transportmetrica A: Transport Science, (just-accepted, Published online: 26 Sep 2017), 1-16.
http://dx.doi.org/10.1080/23249935.2017.1378281
Bhargava, A., Labi, S., Chen, S., Saeed, T. U., & Sinha, K. C. (2017). Predicting Cost Escalation Pathways and Deviation Severities of Infrastructure Projects Using Risk‐Based Econometric Models and Monte Carlo Simulation. Computer‐Aided Civil and Infrastructure Engineering.
http://onlinelibrary.wiley.com/doi/10.1111/mice.12279/full
Saeed, T. U., Qiao, Y., Chen, S., Gkritza, K., & Labi, S. (2017). Methodology for Probabilistic Modeling of Highway Bridge Infrastructure Condition: Accounting for Improvement Effectiveness and Incorporating Random Effects. Journal of Infrastructure Systems, 23(4), 04017030.
http://ascelibrary.org/doi/full/10.1061/(ASCE)IS.1943-555X.0000389
Labi, S., Chen, S., Preckel, P. V., Qiao, Y., & Woldemariam, W. (2017). Rural two-lane highway shoulder and lane width policy evaluation using multiobjective optimization. Transportmetrica A: Transport Science, 13(7), 631-656.
http://dx.doi.org/10.1080/23249935.2017.1315841
Awards
Estus H. and Vashti L. Magoon Award for Excellence in Teaching – College of Engineering, Purdue University.
https://engineering.purdue.edu/CE/Academics/Organizations/CEGSAC
https://engineering.purdue.edu/CE/AboutUs/Awards/Student/Grad/Magoon
2016 Summer Research Grant for Civil Engineering – Purdue University (PRF).
https://engineering.purdue.edu/CE/AboutUs/Awards/Student/Grad/Summer-Research
Conference presentations
Chen, S., Saeed, TU., Al-Qadhi, SD., Labi S., Sinha, K. C. (2016). Safety Impacts of Pavement Rehabilitation at Multilane Highways. Eighth International Conference on Maintenance and Rehabilitation of Pavements (MAIREPAV8), Singapore doi: 10.3850/978-981-11-0449-7-212-cd
http://rpsonline.com.sg/proceedings/9789811104497/html/212.xml
Labi, S., Alqadhi, SD., Murillo-Hoyos, J., Chen, S. (2016). Mathematical Constructs for Assessing the Effectiveness of Environmental Remediation Actions. CECAR 7. Waikiki, Oahu, Hawaii
http://www.eventscribe.com/2016/CECAR7/presinfo.asp?pres=148689
Chen, S., Qian, C., & Chen, Y. (2011). Study on the Taxicab Industry Planning Restricted to the Policy of the Government in China. In ICCTP 2011: Towards Sustainable Transportation Systems (pp. 485-496).
http://ascelibrary.org/doi/10.1061/41186(421)48
Chen, S., Labi, S., Qiao, Y., Preckel, P. V., Bai, Q., & Woldemariam, W. (2017). Multiobjective Optimization of Lane and Shoulder Widths at Rural Two-lane Highways. Transportation Research Board 96th Annual Meeting. Washington, D.C., USA
http://amonline.trb.org/63532-trb-1.3393340/t006-1.3408722/391-1.3408916?qr=1
Sikai Chen, Yu, Qiao, Samuel Labi and Paul V. Preckel. Lane and Shoulder Widths at Rural Two-Lane Highways – Design Policy Evaluation. Presenting at the First International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities (MAIREINFRA1). J.W. Marriott Dongdaemun Square Hotel, Seoul, Korea, July 19-21, 2017
Research Projects
FHWA/IN/JTRP-2017 Effects of Bridge Surface & Pavement Maintenance Activities on Asset Rating